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kyoubate-haruka beb54c57c3 ewf: support for FTYPE irp and file seeking, fix mono quirks (#120) 
Fixes #116
Requires https://gitea.tendokyu.moe/TeamTofuShop/capnhook/pulls/7

This implements file seeking for files inside virtual files from ewfhook, as well as fixes a mono implementation detail where it changes it's behaviour based on the result of GetFileType. see capnhook PR for more info.

Reviewed-on: https://gitea.tendokyu.moe/TeamTofuShop/segatools/pulls/120
Co-authored-by: kyoubate-haruka <46010460+kyoubate-haruka@users.noreply.github.com>
Co-committed-by: kyoubate-haruka <46010460+kyoubate-haruka@users.noreply.github.com>
 2026-08-10 15:43:39 +00:00
kyoubate-haruka 3182720890 ewf: dynamic allocation to shrink output binary size (#92) 
as noted on discord

Reviewed-on: https://gitea.tendokyu.moe/TeamTofuShop/segatools/pulls/92
Co-authored-by: kyoubate-haruka <46010460+kyoubate-haruka@users.noreply.github.com>
Co-committed-by: kyoubate-haruka <46010460+kyoubate-haruka@users.noreply.github.com>
 2026-01-08 20:20:02 +00:00
kyoubate-haruka d5bde32df7 ewf: implement EWF virtualization (#84) 
(Yeah, I know the OS may cache disk reads, but that wasn't the concern)

The ALLS series of cabs runs EWF to prevent anything from being written to C:\.

This PR adds another layer to iohook to redirect specific open/read/write/close operations to a virtual file table to prevent disk activity, and thus simulate the presence of EWF. This was mainly aimed at ALPB's billing files. Seriously, look at this - especially the timestamps, Sega wtf are you doing.

This does not affect other path hooks. It's turned off by default and will throw an error if the current executable resides on C:\.

Tested with FGO and APMv3.

![22bf755754[1].png](/attachments/31771aee-2e4d-4e4f-85e3-c5eec63c6f78)

Reviewed-on: https://gitea.tendokyu.moe/TeamTofuShop/segatools/pulls/84
Co-authored-by: kyoubate-haruka <46010460+kyoubate-haruka@users.noreply.github.com>
Co-committed-by: kyoubate-haruka <46010460+kyoubate-haruka@users.noreply.github.com>
 2025-12-25 00:04:30 +01:00